INVESTIGATING PLANT STRUCTURE AND TRANSPIRATION



Here's a review of the plant structures that we saw before Christmas. Be sure to review them as you need to apply that knowledge in the next assignments:

plant stucture powerpoitn


To help you in this work you could take ten minutes to go through Harvard university´s excellent introduction to the structures found in trees, photosynthesis etc.

Tree Basics

Here are some pictures of the parts of the plant at different magnitifications.


Root tissue:
dicot_root.GIF fig3-big.gif


Stem tissue:

HelianthusStem2.jpg secstem02.gif



Leaf tissue:

U50-656169.jpg leafstructurelargefigure1.jpg


The transpiration experiment should go something like this:






And the results should be similar also:






Of course you will be investigating more than just one factor so be prepared to provide explanations for each in your work.
Below is a much more involved explanation that should be viewed if you wish to increase your grades for the write-ups of your practical investigations.